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Loop 303 project
08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...
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Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.
08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...
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AAH volunteer group
08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.
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Completed bridge
07/06/2022

Don’t burn bridges, unless they're rebuilt with innovative techniques

They say it’s a good idea not to burn your bridges and we're inclined to agree. But if they're going to be replaced with a brand-spanking new bridge, then why not?
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Blog Default
07/01/2022

Celebrate ADOT's birthday with a logo journey through time

Celebrate ADOT's birthday with a trip through the years, recounting the agency’s history through our instantly-recognizable logos.
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06/30/2022

ADOT has some celebrating to do this week

Hey, ADOT Kids! There is a birthday coming up on July 1! Do you want to guess who will be celebrating? It’s ADOT’s 48th birthday! On July 1, 1974, the Arizona Highway Department officially became the Arizona Department of Transportation...
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Worker removes tire tread from side of freeway
06/28/2022

Hot weather means more “gators” showing up on Arizona’s highways

Shreds of tire treads have gained the nickname “gators” because many of them look like an alligator's back floating on the water’s surface. During National Tire Safety Awareness Week, we have tips for staying gator-free.
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A divided highway with a few cars, bordered by trees and dry grass under a cloudy sky.
06/27/2022

Pack your patience when heading south from Flagstaff this summer

A much-needed project on southbound I-17 south of Flagstaff will repair years of damage from winter weather.
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A highway near Picacho Peak is barely visible due to thick dust from a sandstorm, with very low visibility and a faint traffic sign in the background.
06/22/2022

On I-10, ADOT’s dust detection system ready to battle its third monsoon season

This monsoon season marks the third year ADOT is working to make the drive safer with our dust detection and warning system spanning 10 miles of the highway that’s most prone to wind-blown dust.
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06/21/2022

Adopt a Highway: Volunteer safety in Arizona, the heat is on!

June 21 is the official first day of summer and with that brings an added layer of safety for Adopt a Highway volunteers to consider.
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A large crane lifts a concrete bridge beam into place at a construction site, with workers in safety gear observing below.
06/20/2022

The Whys Behind Weekend Highway Closures

Sometimes the work we do, such as setting girders for a new bridge, requires fully closing the highway to keep everyone safe. This 150-long girder weighs more than 70 tons. It was recently set over I-10 near 48th Street.
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A police officer inspects the tires of a parked semi-truck on a sunny day.
06/17/2022

ECD officers make key stops protecting motorists

We’re thankful for our Enforcement and Compliance Division officers making key traffic stops in addition to their primary duties of enforcing commercial vehicle regulations to help keep motorists safe.
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A highway stretches ahead under hazy skies, with thick smoke reducing visibility and trees lining both sides of the road.
06/16/2022

Monsoon season and burn scars: Be prepared, expect the unexpected

Burn scars can pose a problem during monsoon season.
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